import java.util.Scanner;

public class Test01 {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        int n, m ,q;
        n = in.nextInt(); m = in.nextInt();q = in.nextInt();
        int[][] arr = new int[n+1][m+1];
        for(int i = 1 ; i <= n; i++){
            for(int j = 1 ; j <= m; j++){
                arr[i][j] = in.nextInt();
            }
        }
        long[][] dp  = new long[n+1][m+1];
        for(int i = 1 ; i <= n; i++){
            for(int j = 1 ; j <= m; j++){
                dp[i][j] = dp[i -1][j] + dp[i][j - 1] -dp[i-1][j-1] + arr[i][j];
            }
        }

        while(q > 0){
            //使用dp
            int x1 = in.nextInt(),y1 = in.nextInt(),x2 = in.nextInt(),y2 = in.nextInt();
            System.out.println(dp[x2][y2] -dp[x1- 1][y2] - dp[x2][y1-1] + dp[x1-1][y1-1]);

            q--;
        }

    }
}
